JPH0352016Y2 - - Google Patents
Info
- Publication number
- JPH0352016Y2 JPH0352016Y2 JP7195186U JP7195186U JPH0352016Y2 JP H0352016 Y2 JPH0352016 Y2 JP H0352016Y2 JP 7195186 U JP7195186 U JP 7195186U JP 7195186 U JP7195186 U JP 7195186U JP H0352016 Y2 JPH0352016 Y2 JP H0352016Y2
- Authority
- JP
- Japan
- Prior art keywords
- antenna
- metal plate
- plastic flange
- flange
- base
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Landscapes
- Details Of Aerials (AREA)
Description
【考案の詳細な説明】
（産業上の利用分野）
本考案は海洋観測データを無線で送信する無線
ブイの構造に関する。[Detailed description of the invention] (Field of industrial application) The present invention relates to the structure of a wireless buoy that wirelessly transmits ocean observation data.
（従来の技術）
一般に海洋観測ブイのアンテナは、海面が地線
に相当するため、給電点を海面より高く設定し、
送信回路とインピーダンスのマツチングをとつて
定在波比（Standing Wave Ratio）を良くする
ようにしている。(Prior art) Generally, the antenna of a marine observation buoy has a feeding point set higher than the sea level, since the sea surface corresponds to the ground line.
The transmitting circuit and impedance are matched to improve the standing wave ratio.
このため、従来のブイはアンテナ取り付け部に
金属製のフランジを使用し、この金属製のフラン
ジのアンテナの付け根部近傍にアンテナアースを
落とし、ここに給電点を持つ構造とし、この金属
製フランジの下部が海水中に入る構造とし、給電
点を高く取つていた。 For this reason, conventional buoys use a metal flange for the antenna attachment part, and the antenna ground is placed near the base of the antenna on this metal flange, and the feeding point is located here. The lower part was constructed to be submerged in seawater, and the power feeding point was set high.
第２図は従来の海洋観測ブイの一構成例であ
る。同図中、金属製円筒筐体１は、Ｏリング１
０、ビス６によりアンテナ５を有する金属製フラ
ンジ４と嵌合して無線ブイを形成している。金属
製円筒筐体１の中には送信回路２があり、ここか
らシールド線３にて金属製フランジ４のアンテナ
付け根部９まで信号が送られる。そしてそこで信
号線７とアース線（シールド外側）８がシリコン
樹脂１１などを介して分離させられ、信号電流は
アンテナへ送られ、アースはビス４Ａ、金属製フ
ランジ４、ビス６、円筒筐体１を通して海水１２
に落とされる。 Figure 2 shows an example of the configuration of a conventional ocean observation buoy. In the figure, a metal cylindrical housing 1 is an O-ring 1
0. It is fitted with a metal flange 4 having an antenna 5 using screws 6 to form a wireless buoy. A transmission circuit 2 is located inside a metal cylindrical housing 1, and a signal is sent from there to an antenna base 9 of a metal flange 4 via a shielded wire 3. Then, the signal line 7 and the ground line (on the outside of the shield) 8 are separated via a silicone resin 11, etc., and the signal current is sent to the antenna. Seawater through 12
be dropped.
この様にしてアンテナの給電点は海面よりも高
いアンテナ付け根部９に構築される。 In this way, the feeding point of the antenna is constructed at the antenna base 9 which is higher than sea level.
（考案の解決しようとする問題点）
しかしながら、上述の構成によれば、アンテナ
取り付ける方のフランジには腐食を考慮して例え
ばアルミダイカストによる高価な金属製フランジ
を使用しなければならず、製作コストが高くなる
という問題点があつた。(Problem to be solved by the invention) However, according to the above configuration, an expensive metal flange made of die-cast aluminum must be used for the flange on which the antenna is attached in consideration of corrosion, which increases the production cost. There was a problem with the increase in the amount of
また、金属製のフランジを用いることは重量の
増加をまねき、ブイ自体が大きな浮力を得るため
に大型化するといつた問題点もあつた。 Additionally, the use of metal flanges led to an increase in weight, and there were also problems in that the buoy itself had to be larger in order to obtain greater buoyancy.
（問題点を解決するための手段）
本考案は上述の問題点に鑑み、小型、軽量で安
価なブイを実現することを目的としたものであつ
て、その構成は、導電性円筒筐体と、アンテナを
設けた円筒形プラスチツクフランジとを嵌合させ
て成る無線ブイの構造において、
両端部に少なくとも１つ以上の凸状の打ち出し
部を設けた長方形の金属板を、前記プラスチツク
フランジの外径とほぼ同じ幅の凹部を有するよう
にコ字状に折り曲げて、少なくとも前記金属板の
一部が前記アンテナの付け根部近傍を通るように
前記プラスチツクフランジに嵌合させ、さらに前
記打ち出し部を前記筐体とプラスチツクフランジ
との間に挟み込ませて固定し、該金属板の前記付
け根部近傍に前記アンテナのアース線を接続して
成る無線ブイの構造である。(Means for solving the problem) In view of the above-mentioned problems, the present invention aims to realize a small, lightweight, and inexpensive buoy, and its structure consists of a conductive cylindrical housing and , and a cylindrical plastic flange provided with an antenna, in which a rectangular metal plate having at least one convex protrusion at both ends is fitted to the outer diameter of the plastic flange. The metal plate is bent into a U-shape so as to have a concave portion of approximately the same width as the metal plate, and the metal plate is fitted into the plastic flange so that at least a part of the metal plate passes near the base of the antenna, and the punched portion is then bent into the plastic flange so that the metal plate has a concave portion with approximately the same width as the metal plate. This is a wireless buoy structure in which the antenna body is sandwiched and fixed between a body and a plastic flange, and the ground wire of the antenna is connected to the vicinity of the base of the metal plate.
（作用）
上述の構成によれば、安価なプラスチツクフラ
ンジにコ字状の金属板をかぶせ、その端部を導電
性筐体と前記プラスチツクフランジとの間に挟み
込み、該金属板にアース線を接続するので、容易
にアースをアンテナ付け根部近傍の高い位置から
もう一方の導電性筐体、海水中に落とすことがで
き、安価で小型軽量の無線ブイを実現できる。(Function) According to the above structure, a U-shaped metal plate is placed over an inexpensive plastic flange, its end is sandwiched between the conductive casing and the plastic flange, and a ground wire is connected to the metal plate. Therefore, the ground can be easily dropped from a high position near the base of the antenna to the other conductive casing and into the seawater, making it possible to realize an inexpensive, small and lightweight wireless buoy.
（実施例）
第１図は本考案の実施例を示す断面図である。
同図中、金属製円筒筐体１とアンテナ５を有する
プラスチックフランジ２２とはＯリング１０、ビ
ス６により嵌合して無線ブイを形成している。(Example) FIG. 1 is a sectional view showing an example of the present invention.
In the figure, a metal cylindrical housing 1 and a plastic flange 22 having an antenna 5 are fitted together with an O-ring 10 and screws 6 to form a wireless buoy.
前記プラスチックフランジ２２の上には打ち出
し部２４を有する長方形の金属板２３がほぼコ字
状に折り曲げられて嵌合しており、該金属板２３
の凹部２６のほぼ中央には穴が設けられており、
アンテナ５が直接該金属板２３に接触しないよう
に挿入されている。 A rectangular metal plate 23 having a punched out portion 24 is fitted onto the plastic flange 22 by being bent into a substantially U-shape.
A hole is provided approximately in the center of the recess 26,
The antenna 5 is inserted so as not to directly contact the metal plate 23.
金属製円筒筐体１の内部には従来と同様な送信
回路２が内蔵されており、そこからシールド線３
によりアンテナ付け根部９まで信号が送られる。
そしてそこで信号線７とアース線８がシリコン樹
脂１１を介して分離させられ、信号電流はアンテ
ナ５へ送られ、アー スはプラスチックフランジ
２２を貫通するビス２５を介して前記金属板２３
に落とされる。 A transmission circuit 2 similar to the conventional one is built inside the metal cylindrical housing 1, and a shielded wire 3 is connected from there.
The signal is sent to the base of the antenna 9.
There, the signal line 7 and the ground line 8 are separated via the silicone resin 11, the signal current is sent to the antenna 5, and the ground is connected to the metal plate 23 via the screw 25 penetrating the plastic flange 22.
be dropped.
そして該金属板２３の両端には凸状打ち出し部
２４が設けられており、金属製円筒筐体１とプラ
スチツクフランジ２２との間に挟み込まれ、ビス
６にて締め付けられて固定されている。なお、金
属板２３が十分に薄く、Ｏリング１０が適当なも
のであれば、無線ブイの気密性は十分保つことが
できる。 Convex embossed portions 24 are provided at both ends of the metal plate 23, which are sandwiched between the metal cylindrical housing 1 and the plastic flange 22, and are secured by tightening with screws 6. Note that if the metal plate 23 is sufficiently thin and the O-ring 10 is appropriately used, the airtightness of the wireless buoy can be maintained sufficiently.
前記金属板２３に落とされたアースはビス６、
金属製筐体１を通じて海水１２中へ落とされるこ
とになり、従来と同様にアンテナの給電点をアン
テナ付け根部近傍の高い位置に設けることが可能
となる。 The ground dropped to the metal plate 23 is screw 6,
The antenna is dropped into the seawater 12 through the metal casing 1, and the feeding point of the antenna can be placed at a high position near the base of the antenna, as in the conventional case.
（考案の効果）
以上、実施例を用いて説明したように本考案に
よれば、安価なプラスチツクフランジ及び薄い金
属板を用いることにより、従来の金属製フランジ
と同様に海面より高い位置に給電点を構築するこ
とができ、安価で小型軽量の海洋観測ブイを実現
することができる。(Effects of the invention) As explained above using the embodiments, according to the invention, by using an inexpensive plastic flange and a thin metal plate, the power feeding point can be placed at a position higher than the sea level like the conventional metal flange. It is possible to construct an inexpensive, small and lightweight marine observation buoy.
第１図は本考案の実施例の無線ブイの断面図、
第２図は従来の無線ブイの断面図である。
１……金属製円筒筐体、２……送信回路、３…
…シールド線、５……アンテナ、６，２５……ビ
ス、７……信号線、８……アース線、９……アン
テナ付け根部、１０……Ｏリング、１１……シリ
コン樹脂、１２……海水、２２……プラスチツク
フランジ、２３……金属板、２４……凸状打ち出
し部、２６……凹部。
FIG. 1 is a cross-sectional view of a wireless buoy according to an embodiment of the present invention.
FIG. 2 is a sectional view of a conventional wireless buoy. 1...Metal cylindrical housing, 2...Transmission circuit, 3...
...shield wire, 5 ... antenna, 6, 25 ... screw, 7 ... signal line, 8 ... ground wire, 9 ... antenna base, 10 ... O ring, 11 ... silicone resin, 12 ... Seawater, 22... Plastic flange, 23... Metal plate, 24... Convex embossed portion, 26... Concave portion.
Claims (1)
ラスチツクフランジとを嵌合させて成る無線ブイ
の構造において、 両端部に少なくとも１つ以上の凸状の打ち出し
部を設けた長方形の金属板を、前記プラスチツク
フランジの外径とほぼ同じ幅の凹部を有するよう
にコ字状に折り曲げて、少なくとも前記金属板の
一部が前記アンテナの付け根部近傍を通るように
前記プラスチツクフランジに嵌合させ、さらに前
記打ち出し部を前記筐体とプラスチツクフランジ
との間に挟み込ませて固定し、該金属板の前記付
け根部近傍に前記アンテナのアース線を接続して
成る無線ブイの構造。[Scope of Claim for Utility Model Registration] A structure of a wireless buoy consisting of a conductive cylindrical housing and a cylindrical plastic flange provided with an antenna, which has at least one convex protrusion on both ends. The provided rectangular metal plate is bent into a U-shape so as to have a concave portion having a width approximately equal to the outer diameter of the plastic flange, and the metal plate is bent so that at least a part of the metal plate passes near the base of the antenna. The wireless buoy is fitted with a plastic flange, the punched out part is sandwiched and fixed between the housing and the plastic flange, and the ground wire of the antenna is connected to the vicinity of the base of the metal plate. structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7195186U JPH0352016Y2 (en) | 1986-05-15 | 1986-05-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7195186U JPH0352016Y2 (en) | 1986-05-15 | 1986-05-15 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62186507U JPS62186507U (en) | 1987-11-27 |
| JPH0352016Y2 true JPH0352016Y2 (en) | 1991-11-11 |
Family
ID=30914962
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7195186U Expired JPH0352016Y2 (en) | 1986-05-15 | 1986-05-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0352016Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4670687B2 (en) * | 2005-10-31 | 2011-04-13 | パナソニック株式会社 | Information processing apparatus provided with wireless communication apparatus |
-
1986
- 1986-05-15 JP JP7195186U patent/JPH0352016Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62186507U (en) | 1987-11-27 |
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